N = 8. APSF-S: Actual Private Space Function Scale from Tomari and Yoshida (2004) [24]; CES-D: Center for Epidemiologic Studies-Depression Scale from Shima, Shikano, Kitamura, and Asai (1985) [31]; Expression of feelings: express the oppressed feelings or demands; Gender pressure: Japanese gender role pressure; J-ZBI: Japanese Zarit Burden Interview from Arai, et al. (1997) [29]; Meaningfulness of the log from the log writing exercise from Pennebaker (2004) [24], which was measured after the caregiver completed the writing log for each 4 days. There was one missing value as a caregiver did not complete the writing log at the planned interval; MSE: Measure of Self Expression from Shimada and Satoh (1999) [27]; RAS: Role Acceptance Scale from Mikawa (2004) [32]; SESRA-S: Scale of Egalitarian Sex Role Attitudes-short version from Suzuki (2004) [30]; Weekday time: self-care time (minutes) on weekdays; Weekend time: self-care time (minutes) during the weekends.

The Wilcoxon signed-rank test (two-tailed) was used to evaluate the differences between pre- and post-intervention scores. §§Meaningfulness of the log was evaluated the differences between the Day 1 and 4.